CN105240574B - A kind of Flow-rate adjustment mixing valve and application thereof - Google Patents

A kind of Flow-rate adjustment mixing valve and application thereof Download PDF

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Publication number
CN105240574B
CN105240574B CN201510761751.XA CN201510761751A CN105240574B CN 105240574 B CN105240574 B CN 105240574B CN 201510761751 A CN201510761751 A CN 201510761751A CN 105240574 B CN105240574 B CN 105240574B
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fluid
valve body
flow
valve
inlet
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CN105240574A (en
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万丽荣
逯振国
曾庆良
王成龙
李伟民
许德山
岳宗兴
张晓东
杨延超
王小环
王刚
李旭
王统诚
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)

Abstract

The present invention relates to a kind of Flow-rate adjustment mixing valve and application thereof, this Flow-rate adjustment mixing valve includes housing, is provided with a valve pocket in housing, offers A fluid intake, B fluid intake and the fluid-mixing C outlet communicated with described valve pocket on housing；Center valve body and center spool it is provided with in valve pocket, center spool includes a hybrid chamber, A valve body inlet and B valve body inlet it is provided with on the valve body of center, the A cartridge inlet and B cartridge inlet communicated with hybrid chamber it is provided with on the spool of center, rotated by center spool angle in centre valve body and regulate A cartridge inlet and A valve body inlet, B cartridge inlet and the cross-sectional flow area of B valve body inlet, and then regulate A fluid and the proportioning of B fluid, the discharge of fluid-mixing C is regulated by the straight-line displacement in centre valve body of the center spool.This valve can arbitrarily arrange mixed volume ratio, can regulate the discharge of fluid-mixing simultaneously, and it is in hgher efficiency, ageing good.

Description

A kind of Flow-rate adjustment mixing valve and application thereof
Technical field
The present invention relates to a kind of Flow-rate adjustment mixing valve and application thereof, belong to valve technology field.
Background technology
At present, the production line of factory is commonly encountered the operating mode that need to A, B solution be proportionally mixed, traditional handicraft be by Two kinds of solution in by volume ratio is mixed in big vessel in advance, slowly instill time to be used.There is following lacking in this traditional handicraft Point: (1) if solution has volatility, is then unfavorable for married operation in advance, operator be will also result in actual bodily harm； (2) if A, B solution can produce chemical reaction, the then poor real of this traditional handicraft, it is impossible to reach solution after mixing Serviceability；(3) mixed solution needs artificial enrichment to fill, and easily causes human error, affects product quality； (4) which expends a large amount of human and material resources, and poor reliability.
And using liquid mixing mixing valve at present is conventional a kind of settling mode, the most conventional water mixing valve, but existing Some water mixing valve there is also some problems: (1) existing water mixing valve uses temperature-sensitive element to be mixed with hot water by cold water, it is ensured that go out The temperature constant of saliva, this water mixing valve uses check-valves to prevent string water, and structure is complicated, relatively costly, is susceptible to fault； (2) existing water mixing valve is the control to outlet temperature, rather than the control to solution ratio；(3) existing water mixing valve pair Proportion adjustment and Flow-rate adjustment use the control that the different motion direction of same operation handle realizes, and this linked manner increases The use difficulty of operator；(4) valve is arranged at the rear end of hybrid chamber by existing mixing valve, which results in A, B The crossfire problem of solution, easily causes solution to occur chemical reaction to produce crystalline solid in advance, thus spool and pipe occurs The phenomenon of road blocking；(5) existing mixing valve uses circular valve port, the output flow of this form valve port and spool displacement in Non-linear relation, operator cannot accurately control to export the mixed proportion of solution, more cannot arrange graduation indication.
Summary of the invention
For the deficiencies in the prior art, the present invention provides a kind of Flow-rate adjustment mixing valve.
The present invention also provides for the using method of above-mentioned a kind of Flow-rate adjustment mixing valve.
Technical scheme is as follows:
A kind of Flow-rate adjustment mixing valve, including housing, is provided with a valve pocket in housing, offers and described valve on housing A fluid intake, B fluid intake and the fluid-mixing C outlet that chamber communicates；Center valve body, centre valve it is provided with in valve pocket The internal center spool that is provided with, center spool includes a hybrid chamber, and one end of hybrid chamber communicates with fluid-mixing C outlet, It is provided with A valve body inlet and B valve body inlet on the valve body of center, center spool is provided with the A spool communicated with hybrid chamber Entrance and B cartridge inlet, rotated by center spool angle in centre valve body and regulate A cartridge inlet and A valve body Entrance, B cartridge inlet and the cross-sectional flow area of B valve body inlet, and then regulation A fluid and the proportioning of B fluid, by The straight-line displacement in centre valve body of the heart spool regulates the output flow of fluid-mixing C.
Preferably, the profile of described center valve body is cylinder, and A valve body inlet and B valve body inlet are rectangle valve port, A Valve body inlet and B valve body inlet angle diametrically are 108 °.
Preferably, described Flow-rate adjustment mixing valve also includes regulating lever, and one end of center spool is stretched out housing and is provided with rotation Adaptor, swivel joint is hinged with regulation lever by a forearm shift fork, and the bottom of regulation lever is hinged with housing.
It is further preferred that the most hinged large arm shift fork of described regulation lever, large arm shift fork embedding housing also can be in housing Mobile, the side being positioned at large arm shift fork on housing is provided with Flow-rate adjustment scale.This design is advantageous in that, by stream Amount regulation scale and the combination of large arm shift fork, it is possible to be visually observed that very much the straight-line displacement amount of regulation center spool, simultaneously It is also convenient for regulating exactly the displacement of center spool.
Preferably, described large arm shift fork is provided with a flow regulation handle.This design is advantageous in that, passes through Flow-rate adjustment Handle promotes large arm shift fork and drives regulation lever, and then the displacement that regulation center spool is in centre valve body, thus regulates The output flow of fluid-mixing, it is simple to operation.
Preferably, described Flow-rate adjustment mixing valve also includes proportioning regulation handle and proportioning regulation plug, proportioning regulation plug For blocking fluid-mixing C outlet, one end of proportioning regulation handle is run through proportioning regulation plug Hou Yu center spool and is connected, It is provided with, in proportioning regulation handle, the flow pass communicated with hybrid chamber.This design is advantageous in that, is regulated by rotary proportioning Handle drives the A cartridge inlet in the rotation of center spool, and then regulation center spool and A valve body inlet, B spool to enter Mouth and the cross-sectional flow area of B valve body inlet, and then regulate A fluid and the mixing match of B fluid.
Preferably, described proportioning regulation handle includes being sequentially connected with six rib slide blocks, rotating body and the nipple being integrated, Described flow pass runs through six rib slide blocks, rotating body and nipple；It is provided with six ribs inside one end of described center spool Slide rail, six rib slide blocks and six rib slide rails coordinate to be installed.This design is advantageous in that, six rib slide blocks of regulation handle can be straight Patch in six rib slide rails, facilitate installing/dismounting, center Spool rotating can be driven by turning rotating body simultaneously, enter And realize the proportioning regulation of A fluid and B fluid.
The using method of a kind of Flow-rate adjustment mixing valve, comprises the following steps,
A fluid and B fluid that (1) two kind of pressure is equal flow into valve pocket, A respectively through A fluid intake and B fluid intake Fluid and B fluid enter centre valve by A valve body inlet, A cartridge inlet and B valve body inlet, B cartridge inlet the most respectively The hybrid chamber of core, in hybrid chamber, A fluid and B fluid are fused into fluid-mixing C；
(2) when regulating the proportioning of A fluid and B fluid, rotary proportioning regulation handle drives center spool that angle occurs simultaneously Degree rotates, A cartridge inlet and A valve body inlet, B cartridge inlet and B valve body inlet cross-sectional flow area during the Spool rotating of center Change, make the A fluid of entrance hybrid chamber and the ratio of B fluid change, thus change the A entering hybrid chamber Fluid and the proportioning of B fluid；
(3) after the proportioning of A fluid and B fluid has regulated in step (2), need to regulate the outflow of fluid-mixing C During amount, promoting flow regulation handle to drive large arm shift fork to move, large arm shift fork orders about regulation lever rotation, and regulation lever turns Forearm shift fork is driven to pull center spool generation straight-line displacement while Dong, and then regulation A cartridge inlet and A valve body inlet, B cartridge inlet and the cross-sectional flow area of B valve body inlet, thus change that to enter the flow of the A fluid of hybrid chamber and B fluid big Little so that it is the discharge of the fluid-mixing C of output changes.
The beneficial effects of the present invention is:
1. the present invention devises a kind of Flow-rate adjustment mixing valve that can two kinds of solution mixing be exported, and this valve can arbitrarily be arranged Mixed volume ratio.
2. this mixing valve is with opening, and exports immediately after mixing, ageing good, may be used for continuous production process production line.
3. Flow-rate adjustment and proportioning regulatory function are integrated in same rectangle cross-sectional flow area by this mixing valve, it is ensured that It is strict linear relationship during regulation, improves the precision of control.
4. the valve port controlling uninterrupted is in the front end of hybrid chamber, structurally ensure that between two kinds of input solution not Crossfire phenomenon can occur so that the degree of purity that two kinds of input solution holdings are good.
5. the solution input mode of this mixing valve can directly be threadedly attached to continuous service, it is not necessary to manually fills, Improve production efficiency.
6. Flow-rate adjustment and the proportioning regulation of this mixing valve is respectively adopted straight-line displacement regulation handle and angle displacement rotation regulation Handle, two operation handle non-nesting relations, therefore Flow-rate adjustment process and proportioning regulation process do not interfere with each other, it is ensured that Performance accuracy.
7., in the case of supply solution abundance, the Flow-rate adjustment of mixed solution is not interfered with the size of its proportioning value, will Complicated valve port regulation nonlinear problem simplifies.
8. this mixing valve has flow scale scale and proportioning graduated scale, and operator can the most quantitatively regulate.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of inventive flow regulation mixing valve；
Fig. 2 is the sectional view of middle shell of the present invention；
Fig. 3 is the sectional view of inventive flow regulation mixing valve；
The front view of valve body centered by Fig. 4 a；
Fig. 4 b is the profile in A-A direction in Fig. 4 a；
Fig. 4 c is the profile in B-B direction in Fig. 4 a；
The front view of spool centered by Fig. 5 a；
Fig. 5 b is the profile in C-C direction in Fig. 5 a；
Fig. 5 c is the profile in D-D direction in Fig. 5 a；
The sectional view of spool centered by Fig. 5 d；
Fig. 6 a is the front view of proportioning regulation handle；
Fig. 6 b is the right view of proportioning regulation handle；
Fig. 7 a is the original state figure that flow/proportioning regulated Cheng Qian；
Fig. 7 b is the profile in E-E direction in Fig. 7 a；
Fig. 7 c is the profile in F-F direction in Fig. 7 a；
Fig. 8 a is the state diagram after Flow-rate adjustment；
Fig. 8 b is the profile of E-E in Fig. 8 a；
Fig. 8 c is the profile in F-F direction in Fig. 8 a；
Fig. 9 a is the state diagram after proportioning regulation；
Fig. 9 b is the profile in E-E direction in Fig. 9 a；
Fig. 9 c is the profile in F-F direction in Fig. 9 a；
Wherein: 01-housing；0102-A fluid intake；0103-B fluid intake；0110-proportioning regulation screwed hole；0111-B Central inlet；0112-A central inlet；0113-positive stop lug boss；0114-balance pivot；07-proportioning regulation plug；08- Proportioning regulation handle；0801-six rib slide block；0802-exports nipple；0803-proportioning regulation scale；09-adjusting pad Sheet；10-center valve body；1001-A valve body inlet；1002-B valve body inlet；11-center spool；1101-A cartridge inlet； 1102-B cartridge inlet；1103-six rib slide rail；1104-hybrid chamber；1105-spool screw；12-swivel joint；13- Regulation lever；The little arm bolt of 14-；15-forearm shift fork；17-bolt；18-flow regulation handle；19-Flow-rate adjustment Scale；20-large arm shift fork；The big arm bolt of 21-.
Detailed description of the invention
Below by embodiment and combine accompanying drawing the present invention will be further described, but it is not limited to this.
Embodiment 1:
A kind of Flow-rate adjustment mixing valve, including housing 01, is provided with a valve pocket in housing 01, offers on housing 01 A fluid intake 0102, B fluid intake 0103 and the fluid-mixing C outlet communicated with described valve pocket；Arrange in valve pocket Having center valve body 10, be provided with center spool 11 in center valve body 10, center spool 11 includes a hybrid chamber 1104, mixed The one end closing chamber 1104 communicates with fluid-mixing C outlet, and center valve body 10 is provided with A valve body inlet 1001 and B valve Body entrance 1002, center spool 11 is provided with and matches with A valve body inlet 1001 and B valve body inlet 1002 respectively A cartridge inlet 1101 and B cartridge inlet 1102, and A cartridge inlet 1101 and B cartridge inlet 1102 is equal and hybrid chamber 1104 communicate, and are rotated by the center spool 11 angle in center valve body 10 and regulate A cartridge inlet 1101 and A Valve body inlet 1001, the cross-sectional flow area of B cartridge inlet 1102 and B valve body inlet 1002, and then regulate A fluid and B The proportioning of fluid, regulates the output stream of fluid-mixing C by the center spool 11 straight-line displacement in center valve body 10 Amount.
The profile of center valve body 10 is cylinder, and center valve body 10 includes A valve body inlet 1001 and B valve body inlet 1002, Two valve ports are rectangle valve port, and port size is equal in magnitude, and the angle being distributed diametrically is 108 °；Center valve body 10 are arranged in the valve pocket in housing 01, and valve pocket is notch cuttype valve pocket, and center valve body 10 maintains static in the course of the work, Positive stop lug boss 0113 is used for limiting the left end extreme displacement of center spool 11, prevents its off center valve body 10.
Flow-rate adjustment mixing valve also includes proportioning regulation handle 08 and proportioning regulation plug 07, and proportioning regulation plug 07 is used for Closure fluid-mixing C outlet.One end of proportioning regulation handle 08 is designed to six rib slide blocks 0801, and the other end is designed to output Nipple 0802, six rib slide blocks 0801 of proportioning regulation handle 08 run through proportioning regulation plug 07 Hou Yu center spool Six rib slide rails 1103 of 11 one end designs connect, and are provided with, in proportioning regulation handle 08, the flow pass communicated with hybrid chamber, The through six rib slide blocks 0801 of flow pass and output nipple 0802.It is carved with two kinds of fluids on proportioning regulation handle 08 Proportioning regulation scale 0803, drives the rotation of center spool 11 by rotary proportioning regulation handle 08, and then in regulation A cartridge inlet 1101 and A valve body inlet 1001 on heart spool 11, B cartridge inlet 1102 and B valve body inlet 1002 Cross-sectional flow area, and then regulation A fluid and the mixing match of B fluid.
One end of center spool 11 inner mixing chamber 1104 communicates with fluid-mixing C outlet, A cartridge inlet 1101 and B valve Core entrance 1102 all communicates with hybrid chamber 1104, and two entrances are rectangle valve port, and the angle being distributed diametrically is 180°；One end that hybrid chamber communicates with fluid-mixing C outlet is provided with six rib slide rails 1103, and (i.e. center spool one end is designed Six rib slide rails), the cross section of six rib slide rails 1103 is regular hexagon, with the six rib slide blocks 0801 of proportioning regulation handle 08 one end Surface engagement, coordinates installation with it in six rib slide blocks 0801 can be inserted directly into six rib slide rails 1103 of center spool, By revolving outer proportioning regulation scale 0803 so that six rib slide blocks 0801 drive six rib slide rails 1103 to rotate, and then band Disorder of internal organs heart spool 11 rotates；I.e. when during six rib slide blocks 0801 insert six rib slide rails 1103 coordinate install time, hybrid chamber with join Than regulation handle 08 flow pass communicate, fluid-mixing C can from hybrid chamber through flow pass from output nipple 0802 flows out.Being marked with the stoichiometric factor of solution A, solution B on proportioning regulation scale 0803, operator are by rotating Adjust the respective value on scale, i.e. can get the fluid-mixing C of corresponding proportion.
A fluid intake, B fluid intake are outer at housing 01 be nipple, is respectively used to connection solution A and solution B Feed system.On housing 01, three bolts 17 are used for fixedly mounting housing 01.Pressure balance plug 05 and housing The pressure balance screwed hole 0106 offered on 01 coordinates to be installed, the proportioning regulation that proportioning regulation plug 07 and housing are offered Screwed hole 0110 coordinates to be installed.
Embodiment 2:
A kind of Flow-rate adjustment mixing valve, as described in Example 1, its difference is structure: Flow-rate adjustment mixing valve is also Including regulation lever 13, one end of center spool 11 is stretched out housing and is provided with swivel joint 12, and swivel joint 12 is by one Forearm shift fork 15 is hinged with regulation lever 13, and the bottom of regulation lever 13 is cut with scissors with balance pivot 0114 phase on housing 01 Connect.
The most hinged large arm shift fork 20 in top of regulation lever 13, large arm shift fork 20 embeds housing 01 and can move in housing Dynamic, the side being positioned at large arm shift fork 20 on housing is provided with Flow-rate adjustment scale 19.By Flow-rate adjustment scale 19 He The combination of large arm shift fork 20, it is possible to be visually observed that very much the straight-line displacement amount of regulation center spool 11, be also convenient for simultaneously The displacement of regulation center spool exactly.
Large arm shift fork 20 is provided with a flow regulation handle 18.Promote large arm shift fork 20 by flow regulation handle 18 and carry Dynamic regulation lever 13, and then the displacement that regulation center spool 11 is in center valve body 10, thus regulate fluid-mixing C's Discharge.
Embodiment 3:
The present embodiment provides the using method of a kind of Flow-rate adjustment mixing valve as described in Example 2, comprises the following steps,
(1) two kind of solution A that pressure is equal and solution B, solution A is input to housing 01 by A fluid intake 0102 In, solution B is input in housing 01 by B fluid intake 0103；
(2) solution A continues to flow into A central inlet 0112, by A valve body inlet 1001 and A cartridge inlet 1101 Rectangle cross-sectional flow area S that two rectangle valve ports are formedA, right by proportioning regulation handle 08 after entering hybrid chamber 1104 The output nipple 0802 of end exports；Solution B continues to flow into B central inlet 0111, by B valve body inlet 1002 Rectangle cross-sectional flow area S formed with 1,102 two rectangle valve ports of B cartridge inletB, pass through after entering hybrid chamber 1104 The output nipple 0802 of proportioning regulation handle 08 right-hand member exports；
(3) when regulating the proportioning of A fluid and B fluid, rotary proportioning regulation handle drives center spool that angle occurs simultaneously Degree rotates, A cartridge inlet 1101 and A valve body inlet 1001, B cartridge inlet 1102 and B valve during the Spool rotating of center Body entrance 1002 cross-sectional flow area changes, and makes the A fluid of entrance hybrid chamber and the ratio of B fluid change, from And change A fluid and the proportioning of B fluid entering hybrid chamber；
(4) after the proportioning of A fluid and B fluid has regulated in step (3), need to regulate the outflow of fluid-mixing C During amount, promoting flow regulation handle to drive large arm shift fork to move, large arm shift fork orders about regulation lever rotation, and regulation lever turns Forearm shift fork is driven to pull center spool generation straight-line displacement while Dong, and then regulation A cartridge inlet and A valve body inlet, B cartridge inlet and the cross-sectional flow area of B valve body inlet, thus change the uninterrupted entering hybrid chamber so that it is mixing of output The discharge of interflow body C changes.
Wherein, flow regulating unit Shi You center valve body 10, center spool 11, swivel joint 12, regulation lever 13, Little arm bolt 14, forearm shift fork 15, flow regulation handle 18, Flow-rate adjustment scale 19, large arm shift fork 20 and large arm spiral shell Bolt 21 composition, for regulating the uninterrupted of output mixed solution C；
It is the original state before Flow-rate adjustment as shown in Figure 7a, if now needing to increase the output flow of mixed solution C, then Operator are referred to the scale value on Flow-rate adjustment scale 19, manually regulate the position of flow regulation handle 18, that Large arm shift fork 20 can produce corresponding displacement XD, and with balance pivot 0114 as pivot point, by the work of lever 13 With, make forearm shift fork 15 produce displacement XS；
Being the state after Flow-rate adjustment as shown in Figure 8 a, center spool 11 moves right X relative to center valve body 10S, then Solution A, rectangle cross-sectional flow area S of solution BA、SBIncrease the most in proportion, i.e. mixed solution C also increases；
If desired reduce the output flow of mixed solution C, then operating principle is similar, and direction of action is contrary；
Little arm bolt 14, big arm bolt 21 can move, by lever motion in the grooved track within regulation lever 13 In curve circular arc displacement be converted into straight-line displacement；
Wherein XDWith XSMagnification ratio coefficient by lever system concrete structure determine；
Swivel joint 12 is for shielding the radial rotary motion that center spool 11 produces during proportioning regulates, and only The axial linear movement produced during transmitting its Flow-rate adjustment；
Wherein, proportioning regulation unit is by proportioning regulation plug 07, proportioning regulation handle 08, adjusts pad 09, centre valve Ti10He center spool 11 composition, for regulating the blend proportion value of solution A in mixed solution C, solution B；
Original state before regulating for proportioning as shown in Figure 7a, if it is shared in mixed solution C now to need to increase solution A Ratio value, i.e. reduce the ratio value that solution B is shared in mixed solution C, then operator are referred to proportioning regulation Scale value on handle 08, manual rotation proportioning regulation handle 08, then by six rib slide rail 1103 and six rib slide blocks 0801 The transmission of structure so that center spool 11 relative center valve body 10 produces radial angle displacement, then cross-sectional flow area SAFootpath Y is increased to arc lengthS, and cross-sectional flow area SBRadial direction arc length reduce YS, as illustrated in fig. 9, the mixed solution of final output In C, the proportion of solution A increases, and the proportion of solution B reduces；
If desired reduce the ratio value that solution A is shared in mixed solution C, i.e. increase solution B institute in mixed solution C The ratio value accounted for, then operating principle is similar, and direction of action is contrary.
Set up inventive flow regulation mixing valve mathematical model:
A) operation principle of mathematic(al) argument flow regulating unit:
The output flow equation of solution A:
Q A = C d x 3 y 1 2 ρ ( P A O - P C )
The output flow equation of solution B:
Q B = C d x 3 y 2 2 ρ ( P B O - P C )
The output flow equation of solution C:
QC=QA+QB
Due to PAO=PBO=PO, then arrange formula as follows:
Q C = C d x 3 2 ρ ( P O - P C ) , ( y 1 + y 2 )
From above formula: in flow regulating unit work process, due to (y1+y2) it is the value that immobilizes, because of The flow of this mixed solution C and valve port displacement X3The flow of linearly proportionate relationship, i.e. mixed solution C and Flow-rate adjustment The displacement of handle 18 linearly proportionate relationship；During proportioning regulation cell operation, x3Immobilize, and y1Become For (y1±ys), y simultaneously2BecomeTherefore (y1+y2) still fix not Become, i.e. proportioning regulation process does not interferes with the output flow size of mixed solution C.
B) operation principle of mathematic(al) argument proportioning regulation unit:
Solution A proportion in mixed solution C is
K A = Q A Q C = Q A Q A + Q B = y 1 y 1 + y 2
Solution B proportion in mixed solution C is
K B = Q B Q C = Q B Q A + Q B = y 2 y 1 + y 2
From both the above formula, during proportioning regulation cell operation, the stoichiometric factor of its solution mixing only with valve Mouth radian y1、y2The stoichiometric factor of linearly proportionate relationship, i.e. mixed solution C regulates the angle of handle 08 with proportioning Displacement linearly proportionate relationship；In flow cell work process, valve port radian y1、y2Value constant, therefore flow Amount regulation process does not interferes with the stoichiometric factor of mixed solution C.
Wherein:
QASolution A is in rectangle cross-sectional flow area SAFlow value；
QBSolution B is in rectangle cross-sectional flow area SBFlow value；
QCMixed solution C is at the flow value of output nipple 0802；
CdRectangle valve port flow coefficient；
The liquid-tight degree of ρ working oil；
PCMixed solution C load pressure at output nipple 0802；
KAThe proportionality coefficient that solution A is shared in mixed solution C；
KBThe proportionality coefficient that solution B is shared in mixed solution C.

Claims (6)

1. a Flow-rate adjustment mixing valve, including housing, it is characterised in that be provided with a valve pocket in housing, offers A fluid intake, B fluid intake and the fluid-mixing C outlet communicated with described valve pocket on housing；Center valve body it is provided with in valve pocket, center spool it is provided with in centre valve body, center spool includes a hybrid chamber, one end of hybrid chamber communicates with fluid-mixing C outlet, A valve body inlet and B valve body inlet it is provided with on the valve body of center, the A cartridge inlet and B cartridge inlet communicated with hybrid chamber it is provided with on the spool of center, rotated by center spool angle in centre valve body and regulate A cartridge inlet and A valve body inlet, B cartridge inlet and the cross-sectional flow area of B valve body inlet, and then regulate A fluid and the proportioning of B fluid, the output flow of fluid-mixing C is regulated by the straight-line displacement in centre valve body of the center spool；
Described Flow-rate adjustment mixing valve also includes regulating lever, and one end of center spool is stretched out housing and is provided with swivel joint, and swivel joint is hinged with regulation lever by a forearm shift fork, and the bottom of regulation lever is hinged with housing；
The profile of described center valve body is cylinder, and A valve body inlet and B valve body inlet are rectangle valve port, and A valve body inlet and B valve body inlet angle diametrically are 108 °.
2. Flow-rate adjustment mixing valve as claimed in claim 1, it is characterised in that the most hinged large arm shift fork of described regulation lever, large arm shift fork embeds housing and can move in housing, and the side being positioned at large arm shift fork on housing is provided with Flow-rate adjustment scale.
3. Flow-rate adjustment mixing valve as claimed in claim 2, it is characterised in that described large arm shift fork is provided with a flow regulation handle.
4. Flow-rate adjustment mixing valve as claimed in claim 1, it is characterized in that, described Flow-rate adjustment mixing valve also includes proportioning regulation handle and proportioning regulation plug, proportioning regulation plug is used for blocking fluid-mixing C outlet, one end of proportioning regulation handle is run through proportioning regulation plug Hou Yu center spool and is connected, and is provided with, in proportioning regulation handle, the flow pass communicated with hybrid chamber.
5. Flow-rate adjustment mixing valve as claimed in claim 4, it is characterised in that described proportioning regulation handle includes being sequentially connected with six rib slide blocks, rotating body and the nipple being integrated, and described flow pass runs through six rib slide blocks, rotating body and nipple；It is provided with six rib slide rails, six rib slide blocks and six rib slide rails inside one end of described center spool and coordinates installation.
6. a using method for the Flow-rate adjustment mixing valve as described in any one of claim 1-5, comprises the following steps,
A fluid and B fluid that (1) two kind of pressure is equal flow into valve pocket respectively through A fluid intake and B fluid intake, A fluid and B fluid enter the hybrid chamber of center spool the most respectively by A valve body inlet, A cartridge inlet and B valve body inlet, B cartridge inlet, and in hybrid chamber, A fluid and B fluid are fused into fluid-mixing C；
(2) when regulating the proportioning of A fluid and B fluid, rotary proportioning regulation handle drives center spool generation angle to rotate simultaneously, during the Spool rotating of center, A cartridge inlet and A valve body inlet, B cartridge inlet and B valve body inlet cross-sectional flow area change, make the A fluid of entrance hybrid chamber and the ratio of B fluid change, thus change A fluid and the proportioning of B fluid entering hybrid chamber；
After in step (2), the proportioning of A fluid and B fluid has regulated, when needing the discharge regulating fluid-mixing C, flow regulation handle is promoted to drive large arm shift fork to move, large arm shift fork orders about regulation lever rotation, forearm shift fork is driven to pull center spool generation straight-line displacement while regulation lever rotation, and then regulate A cartridge inlet and A valve body inlet, B cartridge inlet and the cross-sectional flow area of B valve body inlet, thus changing A fluid and the uninterrupted of B fluid entering hybrid chamber so that it is the discharge of the fluid-mixing C of output changes.
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CN111473131B (en) * 2020-03-15 2021-11-26 宁波方太厨具有限公司 Control method of mixed-flow electromagnetic valve
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CN1103939A (en) * 1993-08-22 1995-06-21 林本方 Valve for temp. adjustment
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